Chicago January weather
Chicago, United States · January
Wind and exposure time often matter more than the number
January is often one of the coldest months in Chicago. Wind can drive wind chill far below the air temperature.
Snow and slush can add friction to walking days, and gear (gloves/hat/footwear) matters more the longer you stay outside.
January averages at a glance
Average low
around -9 to -5°C
Average high
around -1 to 1°C
Average precipitation
around 25–45 mm (incl. snow)
Snow/rain days
about 9–13 days
What to wear in January in Chicago
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Heavy coat/parka + warm layers.
- • Gloves/hat/scarf help against wind chill.
- • Optional winter shoes with traction/water resistance.
Travel tips for visiting Chicago in January
- • Lakeside routes can feel much colder when wind is up.
- • Mix in indoor stops to reset comfort.
January weather in Chicago — FAQ
Q. How cold is January in Chicago?
A. Cold by temperature, and wind chill can make it feel much colder.
Q. Does it snow a lot?
A. Snow is common, though totals vary by year.
Explore Chicago
These pages are connected so you can compare conditions and decide for yourself.